Wake-up receiver

One or more devices, systems, and/or methods are provided. In an example of the techniques presented herein, a wake-up receiver includes a power management unit configured to receive a supply voltage generated from an input signal and generate a current reference. An envelope detector is configured…

DESIGN METHOD OF IRREGULAR TILED TRANSMITTING ARRAYS FOR REALIZING MULTI-ANGLE RECEIVING MICROWAVE WIRELESS POWER TRANSMISSION

A design method of irregular tiled transmitting arrays for realizing multi-angle receiving microwave wireless power transmission relates to the technical field of antenna design, and includes: performing combinatorial arrangement according to irregularity degrees of 4-element polyomino subarrays of…

WIRELESS POWER TRANSFER

The present disclosure relates to power receiving devices and methods. An example power receiving device comprises an antenna cell array configured to receive a radio frequency (RF) signal from a transmission device, where the antenna cell array includes a first antenna cell and a second antenna…

Integrated Energy Harvesting Transceivers and Transmitters With Dual-Antenna Architecture for Miniaturized Implants and Electrochemical Sensors

Systems and methods for utilizing a small form-factor, wirelessly powered transceiver are disclosed. In one embodiment, a wireless powered transceiver includes a receive antenna configured to receive a receive signal, a transmit antenna configured to transmit a transmit signal, a power harvesting…

POWER RECEIVING DEVICE

A power receiving device includes a power receiving antenna, a rectifier circuit, and a bias circuit. The power receiving antenna is configured to receive radio waves for supplying power. The rectifier circuit includes a rectifier diode and is configured to convert radio waves received by the power…

WIRELESS POWER TRANSMISSION SYSTEM

The wireless power transmission is a system for providing wireless charging and/or primary power to electronic/electrical devices via microwave energy. The microwave energy is focused to a location by a power transmitter having one or more adaptively-phased microwave array emitters. Rectennas…

Integrated Energy Harvesting Transceivers and Transmitters With Dual-Antenna Architecture for Miniaturized Implants and Electrochemical Sensors

Systems and methods for utilizing a small form-factor, wirelessly powered transceiver are disclosed. In one embodiment, a wireless powered transceiver includes a receive antenna configured to receive a receive signal, a transmit antenna configured to transmit a transmit signal, a power harvesting…

SYSTEMS AND METHODS OF PROTECTING WIRELESS POWER RECEIVERS USING MULTIPLE RECTIFIERS AND ESTABLISHING IN-BAND COMMUNICATIONS USING MULTIPLE RECTIFIERS

An exemplary embodiment of a wireless power receiver comprises a wireless-power-receiving antenna configured to receive radio frequency (RF) signals, and convert energy from the received RF signals into an alternating current. The power receiver also comprises a primary rectifier configured to: (i)…

WIRELESS POWER RECEIVING DEVICE, WIRELESS POWER TRANSMITTING DEVICE, WIRELESS EARPHONE, LED DEVICE, AND WIRELESS POWER TRANSMIITING AND RECEIVING SYSTEM

A wireless power receiving device (WPRD) comprises an RFID responder and a beacon signal oscillator to transmit an RFID response in a case where there is no electric power which is necessary for transmission of a beacon signal. A wireless power transmitting device (WPTD) operates in a wide area…

WIRELESS POWER TRANSMISSION SYSTEM

The wireless power transmission is a system for providing wireless charging and/or primary power to electronic/electrical devices via microwave energy. The microwave energy is focused to a location by a power transmitter having one or more adaptively-phased microwave array emitters. Rectennas…

Integrated Energy Harvesting Transceivers and Transmitters With Dual-Antenna Architecture for Miniaturized Implants and Electrochemical Sensors

Systems and methods for utilizing a small form-factor, wirelessly powered transceiver are disclosed. In one embodiment, a wireless powered transceiver includes a receive antenna configured to receive a receive signal, a transmit antenna configured to transmit a transmit signal, a power harvesting…

RECTENNA DEVICE

A rectenna device includes an antenna (), a first rectifier () to rectify a radio frequency wave input in the antenna (), an antenna (), a second rectifier () to rectify a radio frequency wave input in the antenna (), and a capacitive coupler () to form an open circuit in response to direct current…

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